add scripts to prepare releases

.gitignore

@@ -7,3 +7,4 @@ coverage
 *.log
 *.box
 .vagrant/
+release/

Makefile

@@ -6,11 +6,14 @@ BUILD_DATE = $(shell date +%Y-%m-%d)
 all: lint vet test bivac
 
 bivac: main.go $(DEPS)
-	GO111MODULE=on CGO_ENABLED=0 GOOS=linux \
+	GO111MODULE=on CGO_ENABLED=0 GOARCH=$(GOARCH) GOOS=$(GOOS) \
 	  go build -mod=vendor -a \
 		  -ldflags="-s -X main.version=$(VERSION) -X main.buildDate=$(BUILD_DATE) -X main.commitSha1=$(COMMIT_SHA1)" \
 	    -installsuffix cgo -o $@ $<
-	strip $@
+	@if [ "${GOOS}" = "linux" ]; then strip $@; fi
+
+build-release: clean
+	GO_VERSION=1.12 ./scripts/build-release.sh
 
 lint:
 	@go get -u -v golang.org/x/lint/golint

scripts/build-release.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+if [ -z $GO_VERSION ]; then
+  GO_VERSION=latest
+fi
+
+docker pull golang:$GO_VERSION
+
+VERSION=$(git describe --always --dirty)
+
+PLATFORMS=(darwin linux windows)
+ARCHITECTURES=(386 amd64)
+
+mkdir -p release
+
+for platform in ${PLATFORMS[@]}; do
+  for arch in ${ARCHITECTURES[@]}; do
+    rm -f bivac
+    docker run -it --rm -w /go/src/github.com/camptocamp/bivac -v $(pwd):/go/src/github.com/camptocamp/bivac \
+      -e GOOS=${platform} \
+      -e GOARCH=${arch} \
+      golang:$GO_VERSION make bivac
+    zip release/bivac_${VERSION}_${platform}_${arch}.zip bivac
+  done
+done